<?php
namespace Imi\Util\Http\Consts;

/**
 * 常见的http请求头
 */
abstract class RequestHeader
{
	const ACCEPT = 'Accept';
	const ACCEPT_CHARSET = 'Accept-Charset';
	const ACCEPT_ENCODING = 'Accept-Encoding';
	const ACCEPT_LANGUAGE = 'Accept-Language';
	const ACCEPT_DATETIME = 'Accept-Datetime';
	const AUTHORIZATION = 'Authorization';
	const CACHE_CONTROL = 'Cache-Control';
	const CONNECTION = 'Connection';
	const COOKIE = 'Cookie';
	const CONTENT_LENGTH = 'Content-Length';
	const CONTENT_MD5 = 'Content-MD5';
	const CONTENT_TYPE = 'Content-Type';
	const DATE = 'Date';
	const EXPECT = 'Expect';
	const FROM = 'From';
	const HOST = 'Host';
	const IF_MATCH = 'If-Match';
	const IF_MODIFIED_SINCE = 'If-Modified-Since';
	const IF_NONE_MATCH = 'If-None-Match';
	const IF_RANGE = 'If-Range';
	const IF_UNMODIFIED_SINCE = 'If-Unmodified-Since';
	const MAX_FORWARDS = 'Max-Forwards';
	const ORIGIN = 'Origin';
	const PRAGMA = 'Pragma';
	const PROXY_AUTHORIZATION = 'Proxy-Authorization';
	const RANGE = 'Range';
	const REFERER = 'Referer';
	const TE = 'TE';
	const USER_AGENT = 'User-Agent';
	const UPGRADE = 'Upgrade';
	const VIA = 'Via';
	const WARNING = 'Warning';
}